4.5 oz./yd² (US), 7.5 oz. /L yd (CA), 100% ring-spun cotton, 30 singles; Boxy fit, mid-length; Classic width, rib collar; Taped neck and shoulders for comfort and durability; Side seams; Tear away label; American Apparel partners with Better Cotton to improve cotton farming globally; Made with OEKO-TEX certified low-impact dyes; This product meets the following Sustainable Style subcategories:Sustainable Manufacturing: This product meets the OEKO-TEX Standard 100.Socially Conscious Manufacturing: This product was made by a mill who partnered with Fair Labor Association and was made in a facility that is WRAP certified.